package 赛码.马蜂窝.用户ID;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        String[] split = s.split(" ");
        int length = split.length;
        int function = function(split);
        System.out.println(function);
    }

    private static int function(String[] split) {
        Map map = new HashMap<String,Integer>();
        for (String s:split) {
//            map.put();
        }
        return 1;
    }
}
